Denver (DEN) to Baltimore (BWI) flights
Southwest Airlines, United Airlines fly nonstop from Denver International Airport to Baltimore/Washington International Thurgood Marshall Airport, with about 59 flights a week in July 2026. The 1,491-mile flight takes about 3h 16m gate to gate.
- Distance
- 1,491 mi · 2,400 km
- Flight time
- 3h 16m
- Airlines
- 2
- Seats filled
- 81%
Airlines flying DEN to BWI
| Airline | Flights a week | Aircraft | Passengers (12 months) | Flight time |
|---|---|---|---|---|
| Southwest Airlines | 45 | Boeing 737 MAX 8, Boeing 737-800, Boeing 737-700 / MAX 7 | 251,772 | 3h 13m |
| United Airlines | 14 | Boeing 737 MAX 8, Boeing 737-800, Boeing 737 MAX 9 | 124,422 | 3h 23m |
| Frontier AirlinesSeasonal or ended | n/a | Airbus A320neo, Airbus A321, Airbus A320-100/200 | 7,170 | 3h 31m |
Airlines are the operating carrier: regional airlines such as SkyWest or Horizon often fly under a larger airline's brand.
DEN to BWI flight schedule
19 flight numbers flew this route in August 2026, 4 of them almost daily. The first usually leaves at 5:15am and the last at 5:50pm. Times are local and can change; check with the airline before you book.
| Flight | Departs | Arrives | Days flown in August 2026 | On time (12 months) |
|---|---|---|---|---|
| WN 4412Southwest Airlines | 5:15am | 10:40am | 12 | 92% |
| WN 3168Southwest Airlines | 5:30am | 10:55am | 4 | n/a |
| WN 1105Southwest Airlines | 6:40am | 12:05pm | 8 | n/a |
| WN 839Southwest Airlines | 7:45am | 1:10pm | 10 | 80% |
| WN 1111Southwest Airlines | 8:05am | 1:35pm | 8 | n/a |
| WN 1469Southwest Airlines | 8:10am | 1:40pm | 24 | 63% |
| UA 1362United Airlines | 9:40am | 3:12pm | 31 | 89% |
| WN 1470Southwest Airlines | 11:05am | 4:30pm | 20 | 53% |
| WN 4065Southwest Airlines | 12:20pm | 5:45pm | 12 | 100% |
| WN 3072Southwest Airlines | 1:10pm | 6:35pm | 20 | 75% |
| WN 1163Southwest Airlines | 1:25pm | 6:50pm | 4 | n/a |
| WN 4910Southwest Airlines | 1:40pm | 7:05pm | 6 | n/a |
| UA 2090United Airlines | 2:03pm | 7:34pm | 15 | 79% |
| WN 862Southwest Airlines | 2:30pm | 7:55pm | 12 | 55% |
| WN 438Southwest Airlines | 3:40pm | 9:00pm | 12 | 17% |
| WN 636Southwest Airlines | 3:45pm | 9:10pm | 4 | n/a |
| UA 2793United Airlines | 5:25pm | 10:56pm | 6 | n/a |
| UA 1646United Airlines | 5:38pm | 11:10pm | 10 | 49% |
| WN 4269Southwest Airlines | 5:50pm | 11:25pm | 12 | 55% |
Is DEN to BWI on time?
From September 2025 to August 2026, 77% of 2,781 flights arrived within 15 minutes of schedule and 1% were cancelled. Flights leaving around 5am were the most punctual (98%), those around 5pm the least (69%). Most delay time was caused by late-arriving aircraft (49%).
| Airline | Flights | On time | Average delay | Cancelled |
|---|---|---|---|---|
| Southwest Airlines | 1,917 | 75% | 14 min | 1.1% |
| United Airlines | 839 | 82% | 10 min | 0.6% |
| Frontier Airlines | 25 | 92% | 8 min | 0% |
Airlines as sold: flights operated by regional partners count under the airline on the ticket. Average delay is across all completed flights, early arrivals counted as zero.
On-time arrivals by departure time
| Scheduled departure | Flights | On time, relative | On time |
|---|---|---|---|
| 5am to 6am | 249 | 98% | |
| 6am to 7am | 66 | 97% | |
| 7am to 8am | 190 | 90% | |
| 8am to 9am | 81 | 89% | |
| 9am to 10am | 382 | 88% | |
| 10am to 11am | 138 | 80% | |
| 11am to 12pm | 76 | 81% | |
| 12pm to 1pm | 88 | 76% | |
| 1pm to 2pm | 96 | 70% | |
| 2pm to 3pm | 299 | 73% | |
| 3pm to 4pm | 69 | 46% | |
| 4pm to 5pm | 91 | 76% | |
| 5pm to 6pm | 405 | 69% | |
| 6pm to 7pm | 115 | 52% | |
| 7pm to 8pm | 125 | 30% | |
| 11pm to 12am | 290 | 84% |
Flights by month
| Month | Flights | Flights, relative | Passengers |
|---|---|---|---|
| August 2025 | 278 | 40,261 | |
| September 2025 | 265 | 37,375 | |
| October 2025 | 269 | 37,927 | |
| November 2025 | 237 | 30,351 | |
| December 2025 | 238 | 31,056 | |
| January 2026 | 191 | 24,858 | |
| February 2026 | 181 | 22,204 | |
| March 2026 | 209 | 27,839 | |
| April 2026 | 203 | 26,352 | |
| May 2026 | 208 | 29,406 | |
| June 2026 | 248 | 37,469 | |
| July 2026 | 260 | 38,435 |
Related
Source: US Department of Transportation, T-100 Segment data, August 2025 to July 2026.